The State Tretyakov Gallery possesses a unique collection of Russian art which includes masterpieces which span a period of a thousand years. The Gallery was founded by a Russian merchant and patron of the arts Pavel Tretyakov. He donated his collection to the city of Moscow in 1892. The State Tretyakov Gallery has since become a world-famous museum. Nowadays it contains more than 170,000 works by Russian artists from early religious paintings to modern art.